136 lines
6.1 KiB
C++
136 lines
6.1 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_ENG
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#include "sql/engine/cmd/ob_tenant_snapshot_executor.h"
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#include "sql/engine/ob_exec_context.h"
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#include "sql/resolver/cmd/ob_tenant_snapshot_stmt.h"
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#include "rootserver/tenant_snapshot/ob_tenant_snapshot_util.h"
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#include "share/tenant_snapshot/ob_tenant_snapshot_table_operator.h"
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#include "share/tenant_snapshot/ob_tenant_snapshot_id.h"
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namespace oceanbase
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{
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using namespace common;
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using namespace share;
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using namespace share::schema;
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namespace sql
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{
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ERRSIM_POINT_DEF(ERRSIM_WAIT_SNAPSHOT_RESULT_ERROR);
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int ObCreateTenantSnapshotExecutor::execute(ObExecContext &ctx, ObCreateTenantSnapshotStmt &stmt)
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{
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int ret = OB_SUCCESS;
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const ObString &tenant_name = stmt.get_tenant_name();
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const ObString &tenant_snapshot_name = stmt.get_tenant_snapshot_name();
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uint64_t tenant_id = OB_INVALID_TENANT_ID;
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share::ObTenantSnapshotID tenant_snapshot_id;
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// TODO: support tenant snapshot in future
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("create tenant snapshot is not supported", KR(ret));
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LOG_USER_ERROR(OB_NOT_SUPPORTED, "create tenant snapshot is");
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// if (OB_FAIL(rootserver::ObTenantSnapshotUtil::create_tenant_snapshot(tenant_name,
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// tenant_snapshot_name,
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// tenant_id,
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// tenant_snapshot_id))) {
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// LOG_WARN("create tenant snapshot failed", KR(ret), K(tenant_name), K(tenant_snapshot_name));
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// if (OB_TENANT_SNAPSHOT_EXIST == ret) {
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// LOG_USER_ERROR(OB_TENANT_SNAPSHOT_EXIST, tenant_snapshot_name.length(), tenant_snapshot_name.ptr());
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// }
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// } else if (OB_UNLIKELY(ERRSIM_WAIT_SNAPSHOT_RESULT_ERROR)) {
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// ret = ERRSIM_WAIT_SNAPSHOT_RESULT_ERROR;
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// LOG_WARN("[ERRSIM CLONE] errsim wait snapshot creation finished", KR(ret));
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// } else if (OB_FAIL(wait_create_finish_(tenant_id, tenant_snapshot_id, ctx))) {
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// LOG_WARN("wait create snapshot finish failed", KR(ret), K(tenant_id), K(tenant_snapshot_id));
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// }
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return ret;
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}
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int ObCreateTenantSnapshotExecutor::wait_create_finish_(const uint64_t tenant_id,
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const share::ObTenantSnapshotID &tenant_snapshot_id,
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ObExecContext &ctx)
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{
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int ret = OB_SUCCESS;
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ObTenantSnapshotTableOperator table_op;
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ObTenantSnapItem item;
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const int64_t SNAPSHOT_CREATION_TIMEOUT = 300 * 1000 * 1000L;
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const int64_t TIME_DEVIATION = 10 * 1000 * 1000L;
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int64_t timeout = max(SNAPSHOT_CREATION_TIMEOUT, GCONF._ob_ddl_timeout) + TIME_DEVIATION;
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common::ObMySQLProxy *sql_proxy = nullptr;
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THIS_WORKER.set_timeout_ts(ObTimeUtility::current_time() + timeout);
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if (OB_UNLIKELY(OB_INVALID_TENANT_ID == tenant_id
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|| !tenant_snapshot_id.is_valid())) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("tenant_id or tenant_snapshot_id is not valid", KR(ret), K(tenant_id), K(tenant_snapshot_id));
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} else if (OB_ISNULL(sql_proxy = ctx.get_sql_proxy())) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("sql proxy must not be null", KR(ret));
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} else if (OB_FAIL(table_op.init(tenant_id, sql_proxy))) {
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LOG_WARN("fail to init table op", KR(ret));
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} else {
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while (OB_SUCC(ret)) {
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item.reset();
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ob_usleep(2 * 1000 * 1000L); // 2s
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if (THIS_WORKER.is_timeout()) {
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// TODO: provides a view for user to query the snapshot status and tips user how to acquire it
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ret = OB_TENANT_SNAPSHOT_TIMEOUT;
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LOG_WARN("wait create tenant snapshot timeout", KR(ret), K(tenant_id), K(tenant_snapshot_id));
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} else if (OB_FAIL(table_op.get_tenant_snap_item(tenant_snapshot_id, false, item))) {
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LOG_WARN("fail to get snapshot item", KR(ret), K(tenant_snapshot_id));
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if (OB_TENANT_SNAPSHOT_NOT_EXIST == ret) {
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// if creating snapshot is failed, the according record might be deleted in the inner_table
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ret = OB_ERR_UNEXPECTED;
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LOG_USER_ERROR(OB_ERR_UNEXPECTED, "create snapshot failed");
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}
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} else if (ObTenantSnapStatus::NORMAL == item.get_status()) {
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break;
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} else if (ObTenantSnapStatus::CREATING == item.get_status()
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|| ObTenantSnapStatus::DECIDED == item.get_status()) {
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int tmp_ret = OB_SUCCESS;
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if (OB_TMP_FAIL(rootserver::ObTenantSnapshotUtil::notify_scheduler(tenant_id))) {
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LOG_WARN("fail to notify scheduler", KR(tmp_ret), K(tenant_id));
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}
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} else {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("unexpected item status", KR(ret), K(tenant_snapshot_id), K(item.get_status()));
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}
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}
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}
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return ret;
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}
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int ObDropTenantSnapshotExecutor::execute(ObExecContext &ctx, ObDropTenantSnapshotStmt &stmt)
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{
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int ret = OB_SUCCESS;
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const ObString &tenant_name = stmt.get_tenant_name();
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const ObString &tenant_snapshot_name = stmt.get_tenant_snapshot_name();
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// TODO: support tenant snapshot in future
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ret = OB_NOT_SUPPORTED;
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LOG_WARN("drop tenant snapshot is not supported", KR(ret));
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LOG_USER_ERROR(OB_NOT_SUPPORTED, "drop tenant snapshot is");
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// if (OB_FAIL(rootserver::ObTenantSnapshotUtil::drop_tenant_snapshot(tenant_name,
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// tenant_snapshot_name))) {
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// LOG_WARN("drop tenant snapshot failed", KR(ret), K(tenant_name), K(tenant_snapshot_name));
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// if (OB_TENANT_SNAPSHOT_NOT_EXIST == ret) {
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// LOG_USER_ERROR(OB_TENANT_SNAPSHOT_NOT_EXIST, tenant_snapshot_name.length(), tenant_snapshot_name.ptr());
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// }
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// }
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return ret;
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}
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} // namespace sql
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} // namespace oceanbase
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